TY - JOUR
T1 - Wave transmission at submerged coastal structures and artificial reefs
AU - van Gent, Marcel R.A.
AU - Buis, Lisanne
AU - van den Bos, Jeroen P.
AU - Wüthrich, Davide
PY - 2023
Y1 - 2023
N2 - Wave transmission at low-crested coastal structures has been studied, based on physical model tests with trapezoidal impermeable, permeable and perforated structures. The differences between wave transmission at impermeable and permeable structures are relatively limited. For a perforated hollow structure with an impermeable vertical screen in the middle, the wave transmission is significantly less than for perforated structures without an impermeable vertical screen; the blocking of the orbital motion by the screen significantly reduces wave transmission. The effectiveness of an impermeable vertical screen to block the orbital motion and consequently reduce wave transmission assists designers of artificial reefs to design structures that reduce wave transmission. Empirical expressions based on a hyperbolic tangent function have been derived to describe the test results. For permeable structures also available data for emerged structures has been used in the analysis, and the newly introduced expression appears to be accurate for both submerged and emerged permeable structures.
AB - Wave transmission at low-crested coastal structures has been studied, based on physical model tests with trapezoidal impermeable, permeable and perforated structures. The differences between wave transmission at impermeable and permeable structures are relatively limited. For a perforated hollow structure with an impermeable vertical screen in the middle, the wave transmission is significantly less than for perforated structures without an impermeable vertical screen; the blocking of the orbital motion by the screen significantly reduces wave transmission. The effectiveness of an impermeable vertical screen to block the orbital motion and consequently reduce wave transmission assists designers of artificial reefs to design structures that reduce wave transmission. Empirical expressions based on a hyperbolic tangent function have been derived to describe the test results. For permeable structures also available data for emerged structures has been used in the analysis, and the newly introduced expression appears to be accurate for both submerged and emerged permeable structures.
KW - Artificial reefs
KW - Breakwaters
KW - Coastal structures
KW - Design guidelines
KW - Impermeable structures
KW - Perforated structures
KW - Physical model tests
KW - Rubble mound breakwaters
KW - Wave transmission
UR - http://www.scopus.com/inward/record.url?scp=85162111965&partnerID=8YFLogxK
U2 - 10.1016/j.coastaleng.2023.104344
DO - 10.1016/j.coastaleng.2023.104344
M3 - Article
AN - SCOPUS:85162111965
SN - 0378-3839
VL - 184
JO - Coastal Engineering
JF - Coastal Engineering
M1 - 104344
ER -